2012 Gayari Sector avalanche
On 7 April 2012, an avalanche hit a Pakistan Army base in Gayari Sector, near the Siachen Glacier region, trapping 140 soldiers and civilian contractors under deep snow. The incident occurred at an altitude of about 4,000 meters and 300 km northeast of Skardu (capital of Baltistan).
Source: Wikipedia — 2012 Gayari Sector avalanche (CC BY-SA 4.0)